package java.com.it.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.it.reggie.common.R;
import com.it.reggie.entity.User;
import com.it.reggie.service.UserService;
import com.it.reggie.utils.SMSUtils;
import com.it.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;

    /**
     * 移动端发送短信
     *
     * @param user
     * @param session
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) {
        // 获取手机号
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)) {
            // 生成验证码
            String code = ValidateCodeUtils.generateValidateCode4String(4).toString();
            log.info("瑞吉外卖验证码：code为：" + code);
            // 调用阿里云短信服务API完成发送短信
//             SMSUtils.sendMessage("验证码短信","SMS_245200213",phone,code);
//            SMSUtils.sendMessage("测试专用模板","SMS_154950909",phone,code);
            // 将生成的验证码保存
            session.setAttribute(phone, code);
            return R.success("短信发送成功");
        }
        return R.error("短信发送失败");
    }

    /**
     * 移动端用户登录
     *
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session) {
        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从Session中获取保存的验证码
        Object codeInSession = session.getAttribute(phone);
        //进行验证码比对（页面提交的验证码和Session中保存的验证码比对）
        if (codeInSession != null && codeInSession.equals(code)) {
            //如果能比对成功，说明登录成功
            LambdaQueryWrapper<User> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(User::getPhone, phone);

            User user = userService.getOne(lambdaQueryWrapper);
            if (user == null) {
                //判断当前登录手机号是否为新用户，如果是新用户就自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user", user.getId());
            return R.success(user);
        }
        return R.error("登录失败");
    }

    /**
     * 退出功能
     * ①在controller中创建对应的处理方法来接受前端的请求，请求方式为post；
     * ②清理session中的用户id
     * ③返回结果（前端页面会进行跳转到登录页面）
     *
     * @return
     */
    @PostMapping("/loginout")
    public R<String> logout(HttpServletRequest request) {
        //清理session中的用户id
        request.getSession().removeAttribute("user");
        return R.success("退出成功");
    }
}
